Support

I-ETS

I-ETS - Interim European Telecommunications Standard

I-mode

I-mode - A service developed by Japanese operator NTT DoCoMo, I-mode delivers a huge range of services to subscribers and has proved enormously popular with some 30 million regular users. The revenue sharing model used for I-mode is being adopted by other operators as the basis for the new services enabled by GPRS and 3G

IMEI

IMEI - International Mobile Equipment Identity. A unique serial number used on digital mobile phones.

IMSI

IMSI - International Mobile Subscriber Identity; an internal subscriber identity used only by the network

IMT-2000

IMT-2000 - The family of third generation technologies approved by the ITU. There are five members of the family: IMT-DS, a direct sequence WCDMA FDD solution IMT-TC, a WCDMA TDD solution IMT-MC, a multicarrier solution developed from cdma2000 IMT-SC, a single carrier solution developed from IS-136/UWC-136 IMT-FT, a TDMA/TDD solution derived from DECT

IN

IN - Intelligent Network

INAP

INAP - Intelligent Network Application Part

Infared port (IrDA)

Infared port (IrDA) - Allows cell phones, PDAs, and other devices to connect to each other for various purposes. Infrared is a wireless technology that uses a beam of invisible light to transmit information.

Infrared data port

Infrared data port - A facility on a mobile phone to allow information to be exchanged with other devices e.g. a PC using infra red technology

Internet

Internet - A loose confederation of autonomous databases and networks. Originally developed for academic use the Internet is now a global structure of millions of sites accessible by anyone

Intranet

Intranet - A private network which utilises the same techniques as the Internet but is accessible only by authorised users

IP

IP - Internet Protocol

IPR

IPR - Intellectual Property Rights

IPv6

IPv6 - The next generation of IP addressing designed to replace the current system IPv4 which uses a 32 bit address code which limits the number of possible addresses. IPv6 uses a 128 bit code ensuring that the possible number of IP addresses will be virtually limitless

IrDA

IrDA - Infra red Data Association

Iridium

Iridium - A low earth orbit satellite communications system developed initially by Motorola.

IS-136

IS-136 - Cellular standard also known as TDMA or D-AMPS

IS-54

IS-54 - The first evolution in the USA from analogue to digital technology. Used a hybrid of analogue and digital technology, superseded by IS-136

IS-95

IS-95 - Cellular standard know also as cdmaOne

ISDN

ISDN - Integrated Services Digital Network

ISO

ISO - International Standards Organisation

ISP

ISP - Internet Service Provider

ITU

ITU - International Telecommunications Union

ITU-R

ITU-R - ITU Telecommunications Radio Sector

ITU-T

ITU-T - ITU Telecommunications Standardisation Sector

Iucs

Iucs - The connection between the RNC and the circuit switched network in a GSM/GPRS/UMTS network

Iups

Iups - The connection between the RNC and the packet switched network in a GSM/GPRS/UMTS network